.heading {
    text-align: center;
}

 .img-align {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 30%;
}

#logo-img {
    margin-top: 55px;
    margin-bottom: 55px;
}

#canvas {
    padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: 480px;
    border-style: solid;
    border-color: #222222;
}

#canvas-buttons {
    margin: 0 auto;
    margin-bottom: 15px;
    width: 220px;
}
